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- Pedicle screw assembly having a retractable screw tip for facilitating the securement of the pedicle screw assembly to a spinal vertebra
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- Needle for directional control of the injection of bone cement into a vertebral compression fracture
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- Unidirectional rotatory pedicle screw and spinal deformity correction device for correction of spinal deformity in growing children
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- Amine-terminated aptamer functionalized surface plasmon resonanace sensors, methods of making and methods of using same